Multi-layer storage box



FIG. 1 is a front, right side, top, exploded perspective view of a multi-layer storage box showing my new design;

FIG. 2 is a front, right side, top, exploded perspective view thereof showing some of the components exploded still further;

FIG. 3 is a front, right side, top perspective view thereof showing all of the components put together in a compact state;

FIG. 4 is a rear, right side, bottom perspective view thereof showing all of the components in the compact state;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a left side elevational view thereof;

FIG. 8 is a right side elevational view thereof;

FIG. 9 is a top plan view thereof; and,

FIG. 10 is a bottom plan view thereof.

The broken lines illustrate portions of the multi-layer storage box that form no part of the claimed design. 

CLAIM The ornamental design for a multi-layer storage box, as shown and described. 